The feeling that you get after a night of rough gay sex. It may also refer to how your ass feels after a hot curry. Sourbutts are usually extremely painful, annoying and irritating. They are like herpes. Sourbutts keep coming back.
1. I have such a Sourbutt after last nights hookup.
2. Dayum we all have Sourbutts after last nights curry.
3. My Sourbutt is fxcking painful.
Sourtoportos is a common word used in the cypriot dialect,used primarily to describe a fart that smells so bad,you dont even know if there is a little bit of shit in there